package edu.ucsd.ccdb.tagPopup.util;
import java.lang.reflect.Method;
import javax.swing.JOptionPane;
import java.util.Arrays;

/**
* <b>Bare Bones Browser Launch for Java</b><br>
* Utility class to open a web page from a Swing application
* in the user's default browser.<br>
* Supports: Mac OS X, GNU/Linux, Unix, Windows XP/Vista<br>
* Example Usage:<code><br> &nbsp; &nbsp;
*    String url = "http://www.google.com/";<br> &nbsp; &nbsp;
*    BareBonesBrowserLauncher.openURL(url);<br></code>
* Latest Version: <a href="http://www.centerkey.com/java/browser/">www.centerkey.com/java/browser</a><br>
* Author: Dem Pilafian<br>
* Public Domain Software -- Free to Use as You Like
* @version 2.0, May 26, 2009
*/
public class BareBonesBrowserLauncher {

 static final String[] browsers = { "firefox", "opera", "konqueror", "epiphany",
    "seamonkey", "galeon", "kazehakase", "mozilla", "netscape" };

 /**
  * Opens the specified web page in a web browser
  * @param url A web address (URL) of a web page (ex: "http://www.google.com/")
  */
 public static void openURL(String url) {
    String osName = System.getProperty("os.name");
    try {
       if (osName.startsWith("Mac OS")) {
          Class<?> fileMgr = Class.forName("com.apple.eio.FileManager");
          Method openURL = fileMgr.getDeclaredMethod("openURL",
             new Class[] {String.class});
          openURL.invoke(null, new Object[] {url});
          }
       else if (osName.startsWith("Windows"))
          Runtime.getRuntime().exec("rundll32 url.dll,FileProtocolHandler " + url);
       else { //assume Unix or Linux
          boolean found = false;
          for (String browser : browsers)
             if (!found) {
                found = Runtime.getRuntime().exec(
                   new String[] {"which", browser}).waitFor() == 0;
                if (found)
                   Runtime.getRuntime().exec(new String[] {browser, url});
                }
          if (!found)
             throw new Exception(Arrays.toString(browsers));
          }
       }
    catch (Exception e) {
       JOptionPane.showMessageDialog(null,
          "Error attempting to launch web browser\n" + e.toString());
       }
    }

    public static void main(String[] args)
    {
        BareBonesBrowserLauncher.openURL("http://ccdb.ucsd.edu");
    }
 }
